single instance logger to whole module

logging_utils.py

@@ -0,0 +1,24 @@
+import logging
+from logging import Logger
+
+# -------------
+# Logging: logging + stdio = ✅, print + stdio = ❌ 
+# -------------
+def get_logger(name: str, log_file: str = "multitools-server.log", level: str = logging.DEBUG) -> Logger:
+    """Single logger instance in module level
+
+    Args:
+        name: Specific name of the logger
+        log_file: File name where log will be print (default: mcp server name)
+        level: Level of logging
+    """
+
+    logger = logging.getLogger(name)
+    logger.setLevel(level)
+    if not logger.handlers:
+        fmt = "%(asctime)s -- %(levelname)s -- %(name)s -- %(message)s"
+        file_handler = logging.FileHandler(log_file)
+        file_handler.setFormatter(logging.Formatter(fmt))
+        logger.addHandler(file_handler)
+    return logger
+